Start a 10-Day Free Trial to Unlock the Full Review
Why Lesson Planet?
Find quality lesson planning resources, fast!
Share & remix collections to collaborate.
Organize your curriculum with collections. Easy!
Have time to be more creative & energetic with your students!
Students research water clocks online, investigate how water clocks work, and construct water clock that will keep time accurately for at least two hours without human intervention.
3 Views 6 Downloads